[AMBER] The result of entropy calculation

From: DeChang Li <li.dc06.gmail.com>
Date: Mon, 18 Oct 2010 22:44:58 +0800

Dear all,

     I used NMODE module of AMBER 8 to calculate the entropy contribution of
my system, following MM/PBSA method. The following is one of my result. Does
this result normal? And which value should I used to calculate the
entropy -T*S, the Total one (7534.636), or the vibrational one (7421.937)
only?

           freq. E Cv S
          cm**-1 kcal/mol cal/mol-kelvin cal/mol-kelvin
--------------------------------------------------------------------------------
 Total 18218.711 6311.488 7534.636
 translational 0.888 2.979 55.783
 rotational 0.888 2.979 56.916
 vibrational 18216.935 6305.531 7421.937
     1 0.000
     2 0.000
     3 0.000
     4 0.000
     5 0.060
     6 0.075
     7 2.992 0.592 1.986 10.400
     8 3.622 0.592 1.986 10.021
     9 4.111 0.592 1.986 9.769
    10 4.839 0.592 1.986 9.446
    11 4.987 0.592 1.986 9.386
    12 5.731 0.592 1.986 9.110
    13 6.065 0.592 1.986 8.997
    14 6.172 0.592 1.986 8.963
    15 6.938 0.592 1.986 8.730
    16 7.647 0.592 1.986 8.537
    17 7.800 0.592 1.986 8.498
...
...
...
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Received on Mon Oct 18 2010 - 08:00:02 PDT
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